Function appendCborTypePrefix

internal/cbor/cbor.go:74–102

(dst []byte, major byte, number uint64)

var NanoTimeFieldFormat = time.RFC3339Nano

func appendCborTypePrefix(dst []byte, major byte, number uint64) []byte {
	var byteCount int
	var minor byte
	switch {
	case number < 256:
		byteCount = 1
		minor = additionalTypeIntUint8

	case number < 65536:
		byteCount = 2
		minor = additionalTypeIntUint16

	case number < 4294967296:
		byteCount = 4
		minor = additionalTypeIntUint32

	default:
		byteCount = 8
		minor = additionalTypeIntUint64

	}

	dst = append(dst, major|minor)
	byteCount--
	for ; byteCount >= 0; byteCount-- {
		dst = append(dst, byte(number>>(uint(byteCount)*8)))
	}
	return dst
}